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24 Cards in this Set
- Front
- Back
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awake (eyes open), alert, active mental concentration
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beta waveform
highest frequency, lowest amplitude |
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awake (eyes closed)
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alpha waveform
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light sleep
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stage 1
theta wave |
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deep sleep, bruxism
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stage 2
sleep spindles and K complexes |
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deepest, non REM sleep
sleepwalking night terrors bedwetting (slow wave sleep) |
stage 3-4
delta (lowest frequency, highest amplitude) |
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dreaming
loss motor tone, possibly memory processing function erections, increased brain O2 use |
REM
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mneumonic for waveforms?
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at nights
BATS Drink Blood starting with light sleep=theta |
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what is key to initiating sleep?
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serotonergic predominence (raphe nucleus)
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what reduces REM sleep?
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NE
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why have extraocular movements during REM sleep?
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PPRF
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benzodiazepines shorten what stage of sleep? what is it used for?
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stage 4 shortened
useful for night terrors/sleepwalking |
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imipramine used for?
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enuresis because shortens stage 4 sleep
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main NT in REM sleep?
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Ach
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how often REM sleep occurs?
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every 90 min
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increased and varibale pulse, ipenile/clitoral tumescence
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REM sleep
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hallucinations right before sleep
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hypnagogic
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hallucinations before awakening
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hypnopompic
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does narcolepsy have strong genetic component?
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yes
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loss of muscle tone following storng emotional stimulus
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cataplexy
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narcolepsy treatment?
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amphetamines
modafinil |
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controls ACTH, prolactin, melatonin, nocturnal NE release
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SCN
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what gland does NE stimulate to release melatonin?
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pineal gland
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what is SCN regulated by?
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light
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what is circadian rhythm controlled by?
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SCN
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